750621225 has 12 divisors (see below), whose sum is σ = 1241027216. Its totient is φ = 400331280.

The previous prime is 750621217. The next prime is 750621227. The reversal of 750621225 is 522126057.

750621225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 750621225 - 2³ = 750621217 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 750621192 and 750621201.

It is not an unprimeable number, because it can be changed into a prime (750621227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5004067 + ... + 5004216.

Almost surely, 2^750621225 is an apocalyptic number.

750621225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

750621225 is a deficient number, since it is larger than the sum of its proper divisors (490405991).

750621225 is a wasteful number, since it uses less digits than its factorization.

750621225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008296 (or 10008291 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 750621225 is about 27397.4674924527. The cubic root of 750621225 is about 908.8110806851.

The spelling of 750621225 in words is "seven hundred fifty million, six hundred twenty-one thousand, two hundred twenty-five".